diff options
Diffstat (limited to 'config/expr.c')
| -rw-r--r-- | config/expr.c | 89 |
1 files changed, 53 insertions, 36 deletions
diff --git a/config/expr.c b/config/expr.c index 10f45232b..579ece4fa 100644 --- a/config/expr.c +++ b/config/expr.c @@ -87,7 +87,7 @@ struct expr *expr_copy(struct expr *org) break; case E_AND: case E_OR: - case E_CHOICE: + case E_LIST: e->left.expr = expr_copy(org->left.expr); e->right.expr = expr_copy(org->right.expr); break; @@ -145,7 +145,8 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e return; } if (e1->type == E_SYMBOL && e2->type == E_SYMBOL && - e1->left.sym == e2->left.sym && (e1->left.sym->flags & (SYMBOL_YES|SYMBOL_NO))) + e1->left.sym == e2->left.sym && + (e1->left.sym == &symbol_yes || e1->left.sym == &symbol_no)) return; if (!expr_eq(e1, e2)) return; @@ -216,7 +217,7 @@ int expr_eq(struct expr *e1, struct expr *e2) expr_free(e2); trans_count = old_count; return res; - case E_CHOICE: + case E_LIST: case E_RANGE: case E_NONE: /* panic */; @@ -647,7 +648,7 @@ struct expr *expr_transform(struct expr *e) case E_EQUAL: case E_UNEQUAL: case E_SYMBOL: - case E_CHOICE: + case E_LIST: break; default: e->left.expr = expr_transform(e->left.expr); @@ -931,7 +932,7 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb break; case E_SYMBOL: return expr_alloc_comp(type, e->left.sym, sym); - case E_CHOICE: + case E_LIST: case E_RANGE: case E_NONE: /* panic */; @@ -954,14 +955,14 @@ tristate expr_calc_value(struct expr *e) case E_AND: val1 = expr_calc_value(e->left.expr); val2 = expr_calc_value(e->right.expr); - return E_AND(val1, val2); + return EXPR_AND(val1, val2); case E_OR: val1 = expr_calc_value(e->left.expr); val2 = expr_calc_value(e->right.expr); - return E_OR(val1, val2); + return EXPR_OR(val1, val2); case E_NOT: val1 = expr_calc_value(e->left.expr); - return E_NOT(val1); + return EXPR_NOT(val1); case E_EQUAL: sym_calc_value(e->left.sym); sym_calc_value(e->right.sym); @@ -999,9 +1000,9 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2) if (t2 == E_OR) return 1; case E_OR: - if (t2 == E_CHOICE) + if (t2 == E_LIST) return 1; - case E_CHOICE: + case E_LIST: if (t2 == 0) return 1; default: @@ -1012,73 +1013,79 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2) #endif } -void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken) +void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken) { if (!e) { - fn(data, "y"); + fn(data, NULL, "y"); return; } if (expr_compare_type(prevtoken, e->type) > 0) - fn(data, "("); + fn(data, NULL, "("); switch (e->type) { case E_SYMBOL: if (e->left.sym->name) - fn(data, e->left.sym->name); + fn(data, e->left.sym, e->left.sym->name); else - fn(data, "<choice>"); + fn(data, NULL, "<choice>"); break; case E_NOT: - fn(data, "!"); + fn(data, NULL, "!"); expr_print(e->left.expr, fn, data, E_NOT); break; case E_EQUAL: - fn(data, e->left.sym->name); - fn(data, "="); - fn(data, e->right.sym->name); + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, "<choice>"); + fn(data, NULL, "="); + fn(data, e->right.sym, e->right.sym->name); break; case E_UNEQUAL: - fn(data, e->left.sym->name); - fn(data, "!="); - fn(data, e->right.sym->name); + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, "<choice>"); + fn(data, NULL, "!="); + fn(data, e->right.sym, e->right.sym->name); break; case E_OR: expr_print(e->left.expr, fn, data, E_OR); - fn(data, " || "); + fn(data, NULL, " || "); expr_print(e->right.expr, fn, data, E_OR); break; case E_AND: expr_print(e->left.expr, fn, data, E_AND); - fn(data, " && "); + fn(data, NULL, " && "); expr_print(e->right.expr, fn, data, E_AND); break; - case E_CHOICE: - fn(data, e->right.sym->name); + case E_LIST: + fn(data, e->right.sym, e->right.sym->name); if (e->left.expr) { - fn(data, " ^ "); - expr_print(e->left.expr, fn, data, E_CHOICE); + fn(data, NULL, " ^ "); + expr_print(e->left.expr, fn, data, E_LIST); } break; case E_RANGE: - fn(data, "["); - fn(data, e->left.sym->name); - fn(data, " "); - fn(data, e->right.sym->name); - fn(data, "]"); + fn(data, NULL, "["); + fn(data, e->left.sym, e->left.sym->name); + fn(data, NULL, " "); + fn(data, e->right.sym, e->right.sym->name); + fn(data, NULL, "]"); break; default: { char buf[32]; sprintf(buf, "<unknown type %d>", e->type); - fn(data, buf); + fn(data, NULL, buf); break; } } if (expr_compare_type(prevtoken, e->type) > 0) - fn(data, ")"); + fn(data, NULL, ")"); } -static void expr_print_file_helper(void *data, const char *str) +static void expr_print_file_helper(void *data, struct symbol *sym, const char *str) { fwrite(str, strlen(str), 1, data); } @@ -1087,3 +1094,13 @@ void expr_fprint(struct expr *e, FILE *out) { expr_print(e, expr_print_file_helper, out, E_NONE); } + +static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str) +{ + str_append((struct gstr*)data, str); +} + +void expr_gstr_print(struct expr *e, struct gstr *gs) +{ + expr_print(e, expr_print_gstr_helper, gs, E_NONE); +} |